import type { CypherASTNode } from "../../CypherASTNode";
import { Clause } from "../Clause";
/** The result of multiple clauses concatenated with `Cypher.utils.concat`
 * @group Utils
 */
export declare class CompositeClause extends Clause {
    private readonly separator;
    protected _children: CypherASTNode[];
    concat(...clauses: Array<Clause | undefined>): this;
    get empty(): boolean;
    private filterClauses;
    private filterEmptyComposite;
    private unwrapComposite;
}